Consider the following Entity Relationship Diagram:
Choose the correct statement(s):
A project may exist on which no employee is currently working.
There may exist a department which currently has no ongoing projects
An employee might be working in more than one departments
Every dependent depends on exactly one employee
Suppose we are trying to find a number 52 in a binary search tree. Which of the following probe sequences are possible while performing the search? Note: Each option shows a probe sequence for searching 52 in different binary search trees
85, 62, -18, 55, -8, 51, 52
78, -22, 68, -10, 58, 55, 52
-25, 82, 45,-10, 70, 55, 52
28, 75,-15, 62,-8, 68, 52
Consider the relation M(P,Q,R,S,T ) with the following functional dependencies: S → PQ PQR → ST The number of super keys of M is:
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The IIT Madras BS Database Management Systems (DBMS) Quiz 2 paper sat on 12 Apr 2026, in the January 2026 term, set 1: 16 questions for 18 marks in 120 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.
| Feature | DBMS Quiz 2 12 Apr 2026 Set 1 at a glance |
|---|---|
| Term | January 2026 term |
| Subject | Database Management Systems |
| Course code | BSCS2001 |
| Questions | 16 |
| Marks | 18 |
| Duration | 120 min |
| MSQ | 3 |
| Written | 6 |
| MCQ | 7 |
| Official paper | Business Data Management 06 Apr 26 |
| Negative marking | No negative marking. |
| Updated |
